December weather forecast
Kupjak, Croatia

December

Weather in December

December, the first month of the winter in Kupjak, is also an icy month, with an average temperature fluctuating between -0.9°C (30.4°F) and 5.1°C (41.2°F).

Temperature

A mild shift in the average high-temperature occurs in December, reducing from a frosty 9.9°C (49.8°F) in November to a wintry 5.1°C (41.2°F). Kupjak reports an average low-temperature of -0.9°C (30.4°F) during the nights of December.

Humidity

In Kupjak, the average relative humidity in December is 86%.

Rainfall

In Kupjak, in December, it is raining for 13.5 days, with typically 74mm (2.91") of accumulated precipitation. In Kupjak, during the entire year, the rain falls for 166.6 days and collects up to 817mm (32.17") of precipitation.

Snowfall

Months with snowfall are January through April, October through December. In Kupjak, Croatia, in December, snow falls for 7.3 days, with typically accumulated 238mm (9.37") of snow. Throughout the year, there are 38 snowfall days, and 973mm (38.31") of snow is accumulated.

Daylight

With an average of 8h and 48min of daylight, December has the shortest days of the year in Kupjak.
On the first day of December in Kupjak, Croatia, sunrise is at 07:20 and sunset at 16:19. On the last day of the month, sunrise is at 07:39 and sunset at 16:27 CET.

Sunshine

In December, the average sunshine is 5.3h.

UV index

January, February, October through December, with an average maximum UV index of 2, are months with the lowest UV index in Kupjak. A UV Index reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for ordinary individuals.
Note: During December, 2 as the daily maximum UV index converts into the following advice:
Protection from prolonged sun exposure is necessary for babies, children, and individuals with sensitive skin. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.

Frequently asked questions

How cold is it in Kupjak in December?
The average high-temperature, in December, in Kupjak, is 5.1°C (41.2°F), while the average low-temperature is -0.9°C (30.4°F).
What is the average humidity in December in Kupjak?
In Kupjak, the average relative humidity in December is 86%.
How many days does it rain in December in Kupjak?
In Kupjak, in December, during 13.5 rainfall days, 74mm (2.91") of precipitation is typically accumulated.
How much does it snow in Kupjak in December?
In Kupjak, Croatia, during December, snow falls for 7.3 days and regularly aggregates up to 238mm (9.37") of snow.
What is the month with the shortest days in Kupjak?
December has the shortest days of the year in Kupjak, Croatia, with an average of 8h and 48min of daylight.
What is the average length of the day in December in Kupjak?
In Kupjak, the average day length in December is 8h and 47min.
When is the sunrise / sunset in December in Kupjak?
In December, on the first day of the month, sunrise is at 07:20 and sunset at 16:19. On the last day of the month, sunrise is at 07:39 and sunset at 16:27 CET.
How long on average sun shines in December in Kupjak?
The average sunshine duration in December is 5.3h.
When is the lowest UV index in Kupjak?
January, February, October through December, with an average maximum UV index of 2, are months with the lowest UV index in Kupjak.
What is the UV index reading in December in Kupjak?
The average daily maximum UV index in December in Kupjak is 2. A UV Index value of 2, and less, symbolizes a low health threat from exposure to the Sun's UV radiation.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in December - Kupjak, Croatia
Average temperature in December
Kupjak, Croatia
  • Average high temperature in December: 5.1°C

The warmest month (with the highest average high temperature) is August (26.3°C).
The month with the lowest average high temperature is January (3.4°C).

  • Average low temperature in December: -0.9°C

The month with the highest average low temperature is August (13.3°C).
The coldest month (with the lowest average low temperature) is January (-2.6°C).

Average pressure in December - Kupjak, Croatia
Average pressure in December
Kupjak, Croatia
  • Average pressure in December: 1019.9mbar

The month with the highest atmospheric pressure is December (1019.9mbar).
The month with the lowest atmospheric pressure is July (1014.4mbar).

Average wind speed in December - Kupjak, Croatia
Average wind speed in December
Kupjak, Croatia
  • Average wind speed in December: 8.1km/h

The windiest month (with the highest average wind speed) is March (10.3km/h).
The calmest month (with the lowest average wind speed) is August (6.4km/h).

Average humidity in December - Kupjak, Croatia
Average humidity in December
Kupjak, Croatia
  • Average humidity in December: 86%

The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is August (71%).

Average rainfall in December - Kupjak, Croatia
Average rainfall in December
Kupjak, Croatia
  • Average rainfall in December: 74mm

The wettest month (with the highest rainfall) is May (100mm).
The driest month (with the least rainfall) is August (49mm).

Average rainfall days in December - Kupjak, Croatia
Average rainfall days in December
Kupjak, Croatia
  • Average rainfall days in December: 13.5 days

The month with the highest number of rainy days is May (20.1 days).
The month with the least rainy days is August (10.3 days).

Average snowfall in December - Kupjak, Croatia
Average snowfall in December
Kupjak, Croatia
  • Average snowfall in December: 238mm

The month with the highest snowfall is January (249mm).
The months with the least snowfall are May, June, July, August and September (0mm).

Average snowfall days in December - Kupjak, Croatia
Average snowfall days in December
Kupjak, Croatia
  • Average snowfall days in December: 7.3 days

The month with the highest number of snowfall days is January (11.7 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in December / Average sunshine in December - Kupjak, Croatia
Average daylight in December /
Average sunshine in December
Kupjak, Croatia
  • Average daylight in December: 8h and 5min

The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).

  • Average sunshine in December: 5h and 2min

The month with the most sunshine is August (Average sunshine: 11h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 24min).

Average sunshine days in December - Kupjak, Croatia
Average sunshine days in December
Kupjak, Croatia
  • Average sunshine days in December: 12.5 days

The month with the most sunshine days is August (18.8 days).
The month with the least sunshine days is May (8.5 days).

Average UV index in December - Kupjak, Croatia
Average UV index in December
Kupjak, Croatia
  • Average UV index in December: 2

The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, October, November and December (UV index 2).

Average cloud cover in December - Kupjak, Croatia
Average cloud cover in December
Kupjak, Croatia
  • Average cloud cover in December: 46

The month with the most cloud cover is February (Cloud cover 56).
The month with the least cloud cover is August (Cloud cover 21).

Average visibility in December - Kupjak, Croatia
Average visibility in December
Kupjak, Croatia
  • Average visibility in December: 8km

The months with the highest visibility are April, May, June, July and August (9km).
The months with the lowest visibility are January and November (7km).

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